A border dispute begins between Andoria and Vulcan, shortly after first contact between the two worlds, lasting for the next 200 years. According to Shran, the only thing that kept Vulcan from invading Andoria was the threat of massive retaliation. After stealing a prototype of the Xindi weapon from the Xindi, Shran declared that, "with a weapon of this magnitude at our disposal, they wouldn't dare attack us." (ENT: "Proving Ground")